Sift all the dry ingredients together (flour and baking powder)\
In a separate bowl mix together the eggs with sugar and oil, mix in the buttermilk and the lemon juice. Add the flour mix not over mixing the batter and in the end add the shredded zucchini. Pour the batter in a greased loaf pan. Preheat the oven at 175C and bake for about 50 minutes to 1 hour till the bread is done.